package com.lzh.gulimall.gateway.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

@Configuration
public class GulimallCorsConfiguration {
    /**
     * springboot提供了跨域的过滤器CorsWebFilter
     * @return
     */
    @Bean
    public CorsWebFilter corsWebFilter(){
        UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();

        //配置跨域
        //允许哪些都跨域
        corsConfiguration.addAllowedHeader("*");
        //允许哪些请求方式跨域
        corsConfiguration.addAllowedMethod("*");
        //允许哪些请求来源跨域
        corsConfiguration.addAllowedOrigin("*");
        //是否允许携带cookies跨域
        corsConfiguration.setAllowCredentials(true);

        //注册跨域配置
        urlBasedCorsConfigurationSource.registerCorsConfiguration("/**",corsConfiguration);

        return new CorsWebFilter(urlBasedCorsConfigurationSource);
    }
}

